(19)

(11)

EP 1 163 468 A1

(12)

(43) Date of publication: 19.12.2001 Bulletin 2001/51 (21) Application number: 00913820.7 (22) Date of filing: 09.03.2000

(51) International Patent Classification (IPC)7: F16L 37/084 (86) International application number: PCT/US0006/105 (87) International publication number: WO 0053/966 (14.09.2000 Gazette 2000/37)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI Designated Extension States: AL LT LV MK RO SI (30) Priority: 10.03.1999 US 265761 (71) Applicant: COLDER PRODUCTS COMPANY St. Paul MN 55114 (US)	(72) Inventors: DECLER, Charles, Peter Stillwater, MN 55082 (US) MEYER, David, W. Jordan, MN 55352 (US) (74) Representative: Rambelli, Paolo (IT) et al Jacobacci & Partners S.p.A. Corso Regio Parco 27 I-10152 Torino I-10152 Torino (IT)